An object that coordinates the output of content associated with a Core Video pixel buffer.


@interface AVPlayerItemVideoOutput : AVPlayerItemOutput


Initializing the Player Item Video Output

- initWithPixelBufferAttributes:

Creates a video output object using the specified pixel buffer attributes.

- initWithOutputSettings:

Creates a video output object initialized with the specified output settings.

Accessing the Delegate

- setDelegate:queue:

Sets the delegate and dispatch queue for the receiver.


The delegate for the video output object.


Methods you can implement to respond to pixel buffer changes.


The dispatch queue on which to call delegate methods.

Notifying the Delegate of Changes

- requestNotificationOfMediaDataChangeWithAdvanceInterval:

Tells the receiver that the video out put client is entering a quiescent state.

Getting Pixel Buffer Data

- hasNewPixelBufferForItemTime:

Returns a Boolean value that indicates whether video output is available for the specified item time.

- copyPixelBufferForItemTime:itemTimeForDisplay:

Retrieves an image that is appropriate for display at the specified item time, and marks the image as acquired.


Inherits From

See Also

Media Item Transfer


The abstract class that defines the common interface for moving samples from an asset to a player.


Methods you can implement to respond to changes in the media data sequence.


An object that can vend media with a legible characteristic as an attributed string.


An object used to vend collections of metadata items carried in metadata tracks.


The abstract base for media data collectors.

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